document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=281100>Question 281100</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is four times as old as his daughter is now. In 20 years, he will be only twice as old as his daughter. How old are the father and daughter now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #217679 by </B><A HREF=/tutors/aboutme.mpl?userid=JBarnum><B>JBarnum(2146)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JBarnum><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=JBarnum><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=217679\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Father Daughter<BR>\n" );
document.write( "F=4D<BR>\n" );
document.write( "F+20=2(D+20)<BR>\n" );
document.write( "F+20=2D+40<BR>\n" );
document.write( "F=2D+20<BR>\n" );
document.write( "4D=2D+20<BR>\n" );
document.write( "2D=20<BR>\n" );
document.write( "D=10<BR>\n" );
document.write( "F=40 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );